Long before written language, cinema or television, there were campfire stories. Youth scaring the living bejeezus out of each other on dark nights at summer camp is a tradition as rich and eternal as the earliest campfire tales.
| Production | Casey Cooper Johnson | Executive Producer |
| Writing | Martin Wichmann | Writer |
| Sound | Dražen Bošnjak | Sound Designer |
| Sound | Fernando Aliaga | Sound Mixer |
| Directing | Alexandre Aja | Director |
| Production | Alexandre Aja | Producer |
| Art | Koldo Vallés | Production Design |
| Costume & Make-Up | Alberto Luna | Costume Design |
| Costume & Make-Up | Lorena Elizabeth Wic | Makeup Artist |
| Production | Julian Sanchez | Production Manager |
| Crew | Martin Wichmann | Creator |
| Writing | Casey Cooper Johnson | Writer |
| Production | Martin Wichmann | Executive Producer |
| Sound | José Luis Canalejo | ADR Recordist |
| Visual Effects | Fernando Adem | Digital Compositor |
| Writing | Alexandre Aja | Writer |
| Crew | Luis Enrique Carrión | Cinematography |
| Production | Pilar Moya | Casting |
| Costume & Make-Up | Estefania Montero | Makeup Artist |
| Costume & Make-Up | Ana Dorador | Costume Assistant |
| Production | Alberto Imaz | Production Coordinator |
| Visual Effects | Cristina Ortega | Creature Design |
| Costume & Make-Up | Alejandro Van Rooy | Assistant Costume Designer |
| Crew | Ignacio Carreño | Stunt Coordinator |
| Directing | Elena Moreno-Martet | Script Supervisor |
| Visual Effects | Javier de Prado | Visual Effects Supervisor |
| Production | Austin Snyder | ADR Voice Casting |
| Editing | Pepín | Colorist |
| Visual Effects | Rocío Ruiz de Azúa | Visual Effects Coordinator |
| Visual Effects | Carlos Rubio | Visual Effects Supervisor |
| Production | Daniel Escribano | Location Manager |
| Production | Timothy Cubbison | ADR Voice Casting |
| Costume & Make-Up | Sabrina Lazaro | Tailor |
